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Technical Data Sheet
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TG27 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TG27 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-557-3379, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
TG27
NSN: 6685-00-557-3379
FSC: 6685
CAGE: 70040 — GENERAL MOTORS LLC DBA GENERAL MOTORS (USA)
SPECIFICATIONS
Part NumberTG27
NSN6685-00-557-3379
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TG27 TITLE COMPONENT PN TG27 MFR TG27
KEY FEATURES
•
BULB OVERALL LENGTH: 2.250 INCHES NOMINAL IN
•
SCALE INSCRIPTION/BACKGROUND COLOR: PHOSPHORESCENT GREEN MARKINGS ON BLACK BACKGROUND
•
ACTIVE PORTION DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY BULB
•
STYLE DESIGNATOR: BULB W/SOCKET
•
EXTENSION NECK LENGTH: 0.813 INCHES NOMINAL IN
•
SCALE TYPE: CONCENTRIC DIAL
TECHNICAL CHARACTERISTICS (FLIS)
BULB OVERALL LENGTH2.250 INCHES NOMINAL IN
SCALE INSCRIPTION/BACKGROUND COLORPHOSPHORESCENT GREEN MARKINGS ON BLACK BACKGROUND
ACTIVE PORTION DIAMETER0.375 INCHES NOMINAL IN
MATERIALCOPPER ALLOY BULB
MATERIALSTEEL METER CASE
STYLE DESIGNATORBULB W/SOCKET
EXTENSION NECK LENGTH0.813 INCHES NOMINAL IN
SCALE TYPECONCENTRIC DIAL
BULB TYPEPLAIN RIGID
BULB CONNECTION TYPEUNION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
266052Interchangeable
interchangeable cross-reference
interchangeable
98983Interchangeable
interchangeable cross-reference
interchangeable
376MMT1Interchangeable
interchangeable cross-reference
interchangeable
TG20Interchangeable
interchangeable cross-reference
interchangeable
2984827Interchangeable
interchangeable cross-reference
interchangeable
7056720Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TG27?
TG27 is a TG27.
What parts can replace TG27?
There are 15 known substitutes for TG27: 266052, 98983, 376MMT1 and 12 more. Substitute compatibility should be verified for your specific system.
Is TG27 still available?
TG27 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026